Contact Interactions in the Einstein and Einstein-Cartan-Sciama-Kibble (ECSK) Theories of Gravitation

Details Contact Interactions in the Einstein and Einstein-Cartan-Sciama-Kibble (ECSK) Theories of Gravitation Contact Interactions in the Einstein and Einstein-Cartan-Sciama-Kibble (ECSK) Theories of Gravitation

Dec 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976phrvl..37.1653o&link_type=abstract

Physical Review Letters, Volume 37, Issue 25, December 20, 1976, pp.1653-1655

Physics

6

Scientific paper

I show that spin-spin contact interactions occur in a quantum version of Einstein's conventional theory, which are of the same order of magnitude as those occurring in Einstein-Cartan-Sciama-Kibble (ECSK) theory. Thus, all the features which were thought to be peculiar to the ECSK theory-singularity behavior, possibility of stopping gravitational collapse, and so on-actually occur in Einstein's theory. In addition, I examine a contact term (independent of spin orientations and analogous to the Darwin term of quantum electrodynamics) which always gives rise to repulsive gravitation forces.

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